8207397 has 12 divisors (see below), whose sum is σ = 12933024. Its totient is φ = 4974120.

The previous prime is 8207393. The next prime is 8207399. The reversal of 8207397 is 7937028.

It is not a de Polignac number, because 8207397 - 2² = 8207393 is a prime.

It is a super-2 number, since 2×8207397² = 134722731031218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41353 + ... + 41550.

It is an arithmetic number, because the mean of its divisors is an integer number (1077752).

Almost surely, 2^8207397 is an apocalyptic number.

It is an amenable number.

8207397 is a deficient number, since it is larger than the sum of its proper divisors (4725627).

8207397 is a wasteful number, since it uses less digits than its factorization.

8207397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82920 (or 82917 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 8207397 is about 2864.8554937379. The cubic root of 8207397 is about 201.7135845424.

The spelling of 8207397 in words is "eight million, two hundred seven thousand, three hundred ninety-seven".